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发明名称
Subsoil plow
摘要
申请公布号
US2569556(A)
申请公布日期
1951.10.02
申请号
US19490086616
申请日期
1949.04.11
申请人
ESTIN COLLINS DE;MYRON BERGSTROM
发明人
COLLINS DE ESTIN;BERGSTROM MYRON
分类号
A01B15/02
主分类号
A01B15/02
代理机构
代理人
主权项
地址
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